Korg PA4X Quick Start Manual page 148

144| Installing the options
3 Push on the microSD card (c) already installed in the slot (if any) to unlock
it, and remove it, being very careful not to let it fall inside the instrument.
4 Insert the microSD card (d) into the empty card slot, being sure the connec-
tor side is facing up and toward the instrument. Gently push the card, until
you hear a click sound meaning it is properly inserted. Warning: Be sure to
insert the card correctly, or it may slip inside the instrument!
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